Nokia Steel HR
Tech specs 
SizeWatch: 36 mm or 40mm diameter, 11.5 mm thickness (0.45")
MaterialStainless Steel case with silicone strap
ChargingYes
BatteryCR2025
Battery life25 days
Water-resistanceUp to 50 m (5 ATM)
Weight49 grams (40mm version)
SensorDay & Night motion sensor
High precision MEMS 3-axis accelerometer
Low power consumption
Optical heart rate sensor
DisplayAnalog
Screen size36 mm or 40mm diameter
ColorsBlack (36mm also comes in White)
OtherPLATFORM: Propriatory
PROCESSOR: N/A
MEMORY: N/A
CONNECTIVITY: Bluetooth 4.0
Activity tracking 
StepsYes
DistanceYes
CaloriesYes
ActivityYes
FloorsNo
SleepYes
Heart rateYes
Vo2MaxNo
Stress & recovery
UV exposureNo
Skin temperatureNo
Galvanic skin responseNo
GPSNo
Running featuresNo
Swimming featuresCalories and duration
Smartphone notificationsYes (text, call and email alerts)
Other Silent alarm
Links 
Affiliate link*Amazon | Nokia
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